Patent- Photographic Shutter Speed Testing Machine
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Documentary
William A. Riddell
Maker
Eastman Kodak Company
American, estab. 1892
Patent- Photographic Shutter Speed Testing Machine
1922/10/10
Width: 8 in.
Length: 12 in.
Gift of Eastman Kodak Company
1998.1336.0001
Inscriptions Assignee: Eastman Kodak Co. Cover page
